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-
- namespace spdlog {
- namespace details {
- SPDLOG_INLINE file_helper::file_helper(const file_event_handlers &event_handlers)
- : event_handlers_(event_handlers) {}
- SPDLOG_INLINE file_helper::~file_helper() { close(); }
- SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate) {
- close();
- filename_ = fname;
- auto *mode = SPDLOG_FILENAME_T("ab");
- auto *trunc_mode = SPDLOG_FILENAME_T("wb");
- if (event_handlers_.before_open) {
- event_handlers_.before_open(filename_);
- }
- for (int tries = 0; tries < open_tries_; ++tries) {
-
- os::create_dir(os::dir_name(fname));
- if (truncate) {
-
-
-
-
- std::FILE *tmp;
- if (os::fopen_s(&tmp, fname, trunc_mode)) {
- continue;
- }
- std::fclose(tmp);
- }
- if (!os::fopen_s(&fd_, fname, mode)) {
- if (event_handlers_.after_open) {
- event_handlers_.after_open(filename_, fd_);
- }
- return;
- }
- details::os::sleep_for_millis(open_interval_);
- }
- throw_spdlog_ex("Failed opening file " + os::filename_to_str(filename_) + " for writing",
- errno);
- }
- SPDLOG_INLINE void file_helper::reopen(bool truncate) {
- if (filename_.empty()) {
- throw_spdlog_ex("Failed re opening file - was not opened before");
- }
- this->open(filename_, truncate);
- }
- SPDLOG_INLINE void file_helper::flush() {
- if (std::fflush(fd_) != 0) {
- throw_spdlog_ex("Failed flush to file " + os::filename_to_str(filename_), errno);
- }
- }
- SPDLOG_INLINE void file_helper::sync() {
- if (!os::fsync(fd_)) {
- throw_spdlog_ex("Failed to fsync file " + os::filename_to_str(filename_), errno);
- }
- }
- SPDLOG_INLINE void file_helper::close() {
- if (fd_ != nullptr) {
- if (event_handlers_.before_close) {
- event_handlers_.before_close(filename_, fd_);
- }
- std::fclose(fd_);
- fd_ = nullptr;
- if (event_handlers_.after_close) {
- event_handlers_.after_close(filename_);
- }
- }
- }
- SPDLOG_INLINE void file_helper::write(const memory_buf_t &buf) {
- if (fd_ == nullptr) return;
- size_t msg_size = buf.size();
- auto data = buf.data();
- if (std::fwrite(data, 1, msg_size, fd_) != msg_size) {
- throw_spdlog_ex("Failed writing to file " + os::filename_to_str(filename_), errno);
- }
- }
- SPDLOG_INLINE size_t file_helper::size() const {
- if (fd_ == nullptr) {
- throw_spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(filename_));
- }
- return os::filesize(fd_);
- }
- SPDLOG_INLINE const filename_t &file_helper::filename() const { return filename_; }
- SPDLOG_INLINE std::tuple<filename_t, filename_t> file_helper::split_by_extension(
- const filename_t &fname) {
- auto ext_index = fname.rfind('.');
-
-
- if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1) {
- return std::make_tuple(fname, filename_t());
- }
-
- auto folder_index = fname.find_last_of(details::os::folder_seps_filename);
- if (folder_index != filename_t::npos && folder_index >= ext_index - 1) {
- return std::make_tuple(fname, filename_t());
- }
-
- return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
- }
- }
- }
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